57 lines
1 KiB
C
57 lines
1 KiB
C
#ifndef _SPARC_BYTEORDER_H
|
|
#define _SPARC_BYTEORDER_H
|
|
|
|
#include <asm/types.h>
|
|
#include <asm/asi.h>
|
|
|
|
#ifdef __GNUC__
|
|
|
|
#ifdef CONFIG_SPARC32
|
|
#define __SWAB_64_THRU_32__
|
|
#endif
|
|
|
|
#ifdef CONFIG_SPARC64
|
|
|
|
static inline __u16 ___arch__swab16p(const __u16 *addr)
|
|
{
|
|
__u16 ret;
|
|
|
|
__asm__ __volatile__ ("lduha [%1] %2, %0"
|
|
: "=r" (ret)
|
|
: "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
|
|
static inline __u32 ___arch__swab32p(const __u32 *addr)
|
|
{
|
|
__u32 ret;
|
|
|
|
__asm__ __volatile__ ("lduwa [%1] %2, %0"
|
|
: "=r" (ret)
|
|
: "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
|
|
static inline __u64 ___arch__swab64p(const __u64 *addr)
|
|
{
|
|
__u64 ret;
|
|
|
|
__asm__ __volatile__ ("ldxa [%1] %2, %0"
|
|
: "=r" (ret)
|
|
: "r" (addr), "i" (ASI_PL));
|
|
return ret;
|
|
}
|
|
|
|
#define __arch__swab16p(x) ___arch__swab16p(x)
|
|
#define __arch__swab32p(x) ___arch__swab32p(x)
|
|
#define __arch__swab64p(x) ___arch__swab64p(x)
|
|
|
|
#endif /* CONFIG_SPARC64 */
|
|
|
|
#define __BYTEORDER_HAS_U64__
|
|
|
|
#endif
|
|
|
|
#include <linux/byteorder/big_endian.h>
|
|
|
|
#endif /* _SPARC_BYTEORDER_H */
|